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Program Outcomes Report A case study of iLEAD Antelope Valley's
Tier 3 Mathematics Intervention
Mathematics Intervention · 2024–25 School Year

Every student in this cohort
began the year below the
20th percentile in math.

Grade Span Grades 2–8
Assessment NWEA MAP
School Year 2024–25
Cohort 12 students
About This Program

The School

iLEAD Antelope Valley is a tuition-free, K–12 public charter school serving North Los Angeles County. The school operates a project-based, learner-led instructional model and serves a diverse student population, including a meaningful share of socioeconomically disadvantaged students and English learners.

The Cohort

Twelve students across grades 2–8, identified through fall MAP screening as performing well below grade-level expectations in mathematics. Students were enrolled in Tier 3 intervention — the most intensive support tier in a multi-tiered system of support.

Why This Program Exists

California's Local Control Funding Formula provides charter schools with supplemental funding for each English learner, low-income, and foster youth student enrolled — funds that must be used to increase or improve services for those students. iLEAD directed these supplemental dollars toward its Level Up program, partnering with A+ Tutoring to deliver Tier 3 intervention for students identified as needing the most intensive support.

01 — The Starting Point

Five students entered below the 10th percentile. Two entered at the 1st.

Fall MAP scores placed this cohort in the bottom fifth of national peers — many in the bottom tenth. These students were identified for the most intensive tier of academic support.

Cohort range
Grade level — 50th %ile
1st 25th 50th 75th 99th %ile
Each dot represents one student's fall MAP percentile rank
02 — What A+ Delivered

A high-dosage intervention model, designed for consistency.

17
hours of one-to-one math instruction per student delivered across the school year
Format
One-to-one
Every session is a single student with a single tutor. No group instruction, no shared screens.
Delivery
Synchronous
Live, scheduled instruction with a real human — not self-paced software or a recorded curriculum.
Continuity
Same tutor
Students remain with the same tutor across the cycle, building relationship and instructional continuity.
03 — The Movement

From the bottom fifth toward the middle, in a single school year.

By spring, the cohort had moved measurably up the national distribution. Most students gained ground; some gained a lot.

Fall Cohort entry positions
1st25th50th75th99th
Spring Cohort exit positions
1st25th50th75th99th
Cohort average · Fall to Spring
Fall
11.7
%ile
Spring
32.5
%ile
+20.8
average percentile points gained

Individual RIT growth, sorted

Each bar represents one student's change in RIT score from fall to spring. The dashed line marks typical NWEA growth for a Tier 3 learner — roughly 7 RIT points per year.

No change
NWEA norm (~+7)
-6
-4
-3
+9
+11
+14
+15
+22
+22
+23
+43
+78
9 of 12
students achieved positive RIT growth across the school year. Three did not — and are included in every average shown above.
+18.7
average RIT-point gain across the cohort — roughly two and a half times typical year-over-year growth for students entering at this level.
04 — What This Means

For students entering at the bottom of the distribution, sustained one-to-one instruction can produce measurable, school-year movement — not in a year, but inside a single intervention cycle.

Methodology

Outcomes reflect twelve students enrolled in iLEAD Antelope Valley's Tier 3 mathematics intervention during the most recent assessment cycle. Pre/post measures use NWEA MAP fall and spring administrations. Reporting includes all enrolled students; no exclusions for attendance or completion.

Three students did not register positive RIT growth across the cycle. These outcomes are included in all cohort averages.

Discuss This Program

To explore whether A+ Tutoring's intervention model fits your charter's student population and assessment cycle, schedule a conversation with our school partnerships team.

Book an Introduction